<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>大风车</title>
		<style>
			img{
				transition: transform 10s;
			}
			img:hover{
				transform: rotate(180deg);
			}
		</style>
	</head>
	<body>
		<video src="img/oceans-clip.mp4" autoplay controls></video>
		<audio src="img/dafengche.mp3" autoplay controls></audio>
		<img src="img/dfc.jpg" alt="大风车">
		
	</body>
</html>